SEN: Long Service Life, High Stability
Flow Optimization
Minimize turbulence, distribute molten steel evenly, and reduce defect risk.
Mprove Corrosion & Spalling Resistance
Extend service life and adapt to harsh environments.
Clean Steel
Prevent oxidation and nitrogen pickup, ensuring steel quality.
Ensure Slab Quality
Reduce liquid level fluctuations, improve solidification uniformity, and reduce slab surface defects.
| SEN | ZTM-RZT | ZTM-RS | ||||||||||||
| Material | Al2O3-(ZrO2)-C(+SiC); Al2O3-(ZrO2)-C(+SiC) Based | Fused Silica | ||||||||||||
| Part | Body | Slag Line | Steel Tapping Hole | Bowl | Upper Surface | —— | ||||||||
| B1 | B2 | B3 | S1 | S2 | S3 | H1 | H2 | H3 | W1 | W2 | P1 | P2 | —— | |
| Al2O3 (%) | ≥50 | ≥40 | —— | —— | —— | —— | ≥40 | ≥50 | —— | ≥55 | —— | ≥55 | ≥60 | —— |
| ZrO2 (%) | —— | —— | —— | ≥65 | ≥70 | ≥76 | —— | —— | —— | —— | —— | —— | —— | —— |
| MgO (%) | —— | —— | ≥40 | —— | —— | —— | —— | —— | ≥45 | ≥10 | ≥65 | —— | —— | —— |
| SiO2 (%) | —— | —— | —— | —— | —— | —— | —— | —— | —— | —— | —— | —— | —— | 99 |
| C+SiC (%) | ≥20 | ≥23 | ≥25 | ≥15 | ≥12 | ≥11 | ≥23 | ≥18 | ≥20 | ≥11 | ≥11 | 20 | 15 | —— |
| Bulk Density (g.cm-3) | ≥2.55 | ≥2.40 | ≥2.35 | ≥3.45 | ≥2.55 | ≥3.70 | ≥2.40 | ≥2.50 | ≥2.40 | ≥2.70 | ≥2.65 | ≥2.60 | ≥2.65 | ≥1.75 |
| Apparent Porosity (%) | ≤17 | ≤18 | ≤18 | ≤17 | ≤17 | ≤17 | ≤18 | ≤18 | ≤18 | ≤17 | ≤17 | 16 | 16 | 16 |
| Cold Crushing Strength (MPa) | ≥22 | ≥22 | ≥18 | ≥20 | ≥20 | ≥20 | ≥22 | ≥22 | ≥20 | ≥22 | ≥20 | 25 | 25 | 25 |
| Modulus of Rupture (MPa) | ≥6 | ≥6 | ≥4.5 | ≥5 | ≥5 | ≥5 | ≥5 | ≥6 | ≥4.5 | ≥7 | ≥5 | 7 | 10 | —— |
Customized SEN (Submerged Entry Nozzle)
ZTMaterials® offers comprehensive customization options based on each steel mill’s unique casting process to ensure our SEN products perfectly meet your production needs.
Fully Customization to Meet Your Unique Needs
- Size Customization: Available in standard sizes or customizable according to your mold specifications.
- Port Configuration: Multiple port designs available to optimize steel flow and reduce turbulence and inclusions.
- Immersion Depth Customization: Customize SEN length and immersion depth to suit the distance from tundish to mold.
- Special Coatings: Optional anti-wetting coatings or other surface treatments to enhance corrosion resistance.
Ensuring Billet Quality
Let our technical experts help you find the perfect SEN (Submerged Entry Nozzle) solution.
Contact us today for a customized quote!
